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CVE-2020-6418

Type confusion in V8 in Google Chrome prior to 80.0.3987.122 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS 8.8 (HIGH) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE
1.6/10
REALITY · THREAT PRIORITY
8.7/10
General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?
  • Recorded exploitation baseline: +7.00
  • Technical severity: CVSS 8.8: +1.32
  • Fresh EPSS: 78.81%: +0.39

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 8 documents and public datasets.

Hype components

Headline sample (25%)
50/100
Press, 30 days (60%)
5/100
Grounded branding (15%)
0/100
HYPE TOTAL16/100

Sources and documents

cyfirma
Press · 30 Oct 2026, 05:45 · Weekly Intelligence Report – 30 Oct 2026 - cyfirma
www.trendmicro.com
Press · 05 Dec 2024, 08:00 · MOONSHINE Exploit Kit and DarkNimbus Backdoor Enabling Earth Minotaur’s Multi-Platform Attacks - www.trendmicro.com
The GitHub Blog
Press · 26 Sep 2023, 07:00 · Getting RCE in Chrome with incorrect side effect in the JIT compiler - The GitHub Blog
Qualys
Press · 22 Feb 2022, 08:00 · Managing CISA Known Exploited Vulnerabilities with Qualys VMDR - Qualys
BleepingComputer
Press · 20 Mar 2021, 07:00 · Hacking group used 11 zero-days to attack Windows, iOS, Android users - BleepingComputer
See all 8 source documents
Qualys
Press · 10 Feb 2021, 08:00 · Expand Your Vulnerability & Patch Management Program to Mobile Devices with Qualys VMDR - Qualys
BleepingComputer
Press · 13 Jan 2021, 08:00 · Google discloses hacking campaign targeting Windows, Android users - BleepingComputer
Securelist
Press · 20 May 2020, 07:00 · IT threat evolution Q1 2020. Statistics - Securelist

Score evolution

● Hype   ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 1.6 · reality 8.7 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

2

Public exploit entries / repo candidates

See 2 repos with metrics
RepositoryStarsForksLanguageUpdated
Goyotan/CVE-2020-6418-PoC30JavaScript13 Jun 2020, 07:41
ASkyeye/CVE-2020-641806—27 Feb 2020, 08:21
Public exploit evidence
Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence
Exploitation recorded
Priority basis
Recorded exploitation; CVSS 8.8; EPSS 78.8%
Attention, last 30 days
1 distinct story titles; 1 press documents; 1 publisher domains.
Technical potential
network access, no prior privileges, user interaction.
Observed activity
Exploitation recorded in CISA KEV.
Known scale
Not quantified.
Evidence confidence basis
Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:19.609425+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline
Published
27 Feb 2020, 22:55
First press mention
20 May 2020, 07:00
Added to the CISA KEV catalog
03 Nov 2021, 00:00
Latest press mention
30 Oct 2026, 05:45
Score calculated
05 Nov 2026, 13:58
PoCs on GitHub
2 repositories